Question

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Answer 1

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Answer 2

Answer:

Iodine Solution converts Starch into Blue-Black. As it tells that test tube B contained only crushed potatoes but not chewed, so when iodine solution was added, it contained Starch and will thus, turn Blue -Black. SO conclusion; Test Tube A will have no color change.

Iodine is a chemical that turns purple when mixed with starches, and orange when mixed with sugars. When you mixed saliva with the cracker, amylase in your saliva broke down some of the cracker's starches into sugars, making the iodine less purple and slightly yellow."

Explanation:

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